3126B Engines for Caterpillar Built Machines Caterpillar


Camshaft - Install

Usage:

120H 124

安装步骤


    注意

    保持所有零件清洁无杂质。

    杂质会造成快速磨损和缩短部件寿命。





    图 1g00640030

  1. 小心地将凸轮轴 (4) 安装到发动机中。


    注意

    安装凸轮轴时,确保 1 号缸位于压缩行程的上止点,并且正时螺栓安装在飞轮里。 凸轮轴正时是非常重要的。 凸轮轴驱动齿轮上的正时标记必须对准惰轮上的正时标记。 更多信息,请参考技术规格手册。


  1. 确保以下齿轮上的正时标记间对齐:凸轮轴驱动齿轮, 惰轮 和 曲轴齿轮。



    图 2g00640035

  1. 将凸轮轴挡板 (2) 和两条螺栓 (3) 安装到凸轮轴齿轮 (1) 上。

End By:

  1. 安装前盖。 请参阅 拆解和组装, "前盖 - 安装"。
  2. 安装挺杆总成。 请参阅 拆解和组装, "挺杆总成 - 拆卸和安装"。

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